Below is a list of Greenlawn NY zip codes. For your research we have also included Greenlawn Area Code, Time Zone, UTC and the local Suffolk County FIPS Code. Each Greenlawn New York zip code has a center Longitude / Latitude point (the Greenlawn center is -73.364501953125 / 40.861598968506). For your convenience we have also indicated if that zip code in Greenlawn observes Daylight Savings time.